Oct 20, 2014; Pittsburgh, PA, USA; The Heinz Field sign before the game between the Pittsburgh Steelers and the Houston Texans at Heinz Field. Mandatory Credit: Jason Bridge-USA TODAY Sports

Oct 20, 2014; Pittsburgh, PA, USA; General view of fireworks during the playing of the national anthem before the NFL game between the Houston Texans and the Pittsburgh Steelers at Heinz Field. Mandatory Credit: Kirby Lee-USA TODAY Sports

Oct 20, 2014; Pittsburgh, PA, USA; The Heinz Field sign before the game between the Pittsburgh Steelers and the Houston Texans at Heinz Field. Mandatory Credit: Jason Bridge-USA TODAY Sports

03/22

Oct 20, 2014; Pittsburgh, PA, USA; General view of fireworks during the playing of the national anthem before the NFL game between the Houston Texans and the Pittsburgh Steelers at Heinz Field. Mandatory Credit: Kirby Lee-USA TODAY Sports